E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
72/113, 227/2
E04B 1/348 (2006.01) E04B 1/34 (2006.01) E04F 11/02 (2006.01)
Patent
CA 1093335
TITLE A PRECAST CONCRETE STAIRWAY MODULE INVENTORS Zenon A. Zielinski Czeslawa Zielinski ABSTRACT OF THE DISCLOSURE A precast concrete stairway module comprising a concrete wall assembly which is C-shaped in plan view, providing a side wall and two end walls, and a concrete stair flight extending from an edge of one side wall to a mid-height position of the other side wall. The stair flight assembly is moulded integrally with the wall as- sembly comprises a landing at each end and a flight of stairs therebetween. The access opening is provided in the wall assembly.
308414
Zielinski Czeslawa
Zielinski Zenon A.
Canadian Patents And Development Limited
Lemon F.w.
LandOfFree
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